XGY   Grimsby Mountain, ON
Weather Observed At   43-11  N    79-34  W
 
================
  2026-03-20 2:30pm Max
Min
  Weather
----



  Temperature
3.4 °C
6.0 °C
  1:06pm
-0.7 °C
  3:52am
  Relative Humidity
92 %
93 %
 11:50am
76 %
 12:20am
  Dew Point
2.2 °C
5.0 °C
  1:01pm
-2.8 °C
 12:59am
  Wind Velocity
13 ° at  1.6 G 3.5 kt
13.0 kt
 11:36am

  Pressure
    29.711 in 
30.158 in
 12:01am
29.680 in
  1:53pm
  Rainfall Rate
0.0 mm/h 27.2 mm/h
  1:52pm

  Snow On Ground 0 cm

  Brightness / Darkness   44 W/m² /  0.00 m/as² 179 W/m²
  1:03pm
  19.98 m/as²    2:56am
  Remarks
 
  RainfallToday
19.0 mm
Storm Total
19.0 mm
  SnowfallToday
0.0 cm
Storm Total
0.0 cm
  Evapotranspiration Today
-0.10 mm


  Lake Conditions
  Water Temperature  --- °C
  Waves  ---
OPEN WATER

  Meteor Index
5   Random
  Aurora Index
37   Unsettled   + 5 nT   Solar Flux   106  sfu  /   S 0    R 0    G 0   /  MUF   23.5 MHz
  Sunrise 7:21am
  Sunset 7:31pm

  Moonrise N/A
  Moonset N/A
  Moon Phase Waxing Crescent
Grimsby Mountain Weather Maps
Local Regional Area Synoptic

     
updated H+09 and every 10m updated H+19 and H+49
updated H+19

Ontario 6-Hour Meteorological Summary
Canadian 6-Hour Meteorological Summaries

Grimsby Mountain Charts



 






 




Sky Quality (Darkness) Meter courtesy of  www.Unihedron.com

Wx Map Sat Pix
IR Sat Pix Radar Lightning

Water
Ice





WX & SKY

MSC     TWN

  This is a privately operated weather station that is part of the Meteorological Service of Canada's volunteer official observing network.
Permission to publish the weather statistics found on this website is not required.
Contact Info: e


EOF